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人工红树林湿地系统净化污水研究进展

郑康振1,2;陈耿1,2;郑杏雯1,2;陈桂珠1,2   

  1. 1中山大学环境科学与工程学院, 广州 510275; 2中山大学湿地研究中心, 广州 510275
  • 收稿日期:2008-05-11 修回日期:1900-01-01 出版日期:2009-01-10 发布日期:2009-01-10

Wastewater treatment with constructed mangrove wetland system: A review.

ZHENG Kang-zhen1,2;CHEN Geng1,2;ZHENG Xing-wen1,2;CHEN Gui-zhu1,2   

  1. 1School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China; 2Wetland Research Center, Sun Yat-Sen University, Guangzhou 510275, China
  • Received:2008-05-11 Revised:1900-01-01 Online:2009-01-10 Published:2009-01-10

摘要: 咸淡水交接处这种特殊的生境造就了红树植物“抗污”和“降污”的功能,但能否将自然红树林湿地作为污水处理场所目前仍有争议。按照构建的人工红树林湿地的类型,分为三大类:模拟潮汐湿地系统、人工红树林污水处理系统以及红树林种植-养殖生态耦合系统。第一类系统模拟了自然海滩上的潮涨潮落的情形,第二类系统与一般人工湿地相类似,而第三类系统是指在养殖塘种植红树植物以去除有机物和营养盐。不同的类型反映了该领域研究工作的不断深入,展现了红树林湿地净化污水从理论探索向实际应用不断靠近的过程。应用人工红树林湿地净化污水具有较大的可行性,前景可观。

关键词: 水稻, 基因型, 干物质积累, 群体生长速率CGR, 叶面积指数(LAI), 粒叶比

Abstract: Mangroves are the diverse communities of tropical to subtropical trees and shrubs growing in inter-tidal zone. This particular zone endows the mangrove plants the capability of resisting and reducing contamination. However, there are still controversies about whether natural mangrove forests can be utilized to treat wastewater. According to the types of constructed mangrove wetlands, they are classified into three groups, i.e., simulated tide wetland system, constructed wetland wastewater treatment system, and integrated mangrove-aquiculture system. The first one simulates the tidal situation of true seashore; the second one resembles most of ordinary constructed wetlands; while the third one is the aquiculture pond planted with mangrove to remove organic matter and nutrients. Different types of the constructed wetlands are the evidences of the progress in research work, showing the gradual process from theory to practice. It is feasible and promising to use constructed mangrove wetlands for wastewater treatment.

Key words: Rice, Genotype, Dry matter accumulation, Crop growth rate (CGR), Leaf area index (LAI), Spikelet/ leaf area ratio